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Risk of Large Oil Spills: A Statistical Analysis in the Aftermath of Deepwater Horizon

机译:大量漏油的风险:深水地平线之后的统计分析

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摘要

The oil spill in the Gulf of Mexico that followed the explosion of the exploration platform Deepwater Horizon on 20 April 2010 was the largest accidental oil spill so far. In this paper we evaluate the risk of such very severe oil spills based on global historical data from our Energy-Related Severe Accident Database (ENSAD) and investigate if an accident of this size could have been "expected". We also compare the risk of oil spills from such accidents in exploration and production to accidental spills from other activities in the oil chain (tanker ship transport, pipelines, storage/refinery) and analyze the two components of risk, frequency and severity (quantity of oil spilled) separately. This detailed analysis reveals the differences in the structure of the risk between different spill sources, differences in trends over time and it allows in particular assessing the risk of very severe events such as the Deepwater Horizon spill. Such top down risk assessment can serve as an important input to decision making by complementing bottom up engineering risk assessment and can be combined with impact assessment in environmental risk analysis.
机译:2010年4月20日勘探平台Deepwater Horizo​​n爆炸后,墨西哥湾发生的漏油事件是迄今为止最大的意外漏油事件。在本文中,我们基于来自能源相关的严重事故数据库(ENSAD)的全球历史数据评估了此类非常严重的漏油事件的风险,并调查了是否有可能“预期”发生如此大的事故。我们还比较了勘探和生产中此类事故造成的溢油风险与油链其他活动(油轮运输,管道,存储/精炼厂)造成的溢漏风险,并分析了风险,频率和严重性(风险的数量)这两个组成部分。漏油)。这项详细的分析揭示了不同溢漏源之间的风险结构差异,随时间变化的趋势,它尤其可以评估非常严重的事件(如“深水地平线”溢漏)的风险。这种自上而下的风险评估可以作为自下而上的工程风险评估的补充,作为决策的重要输入,并且可以与环境风险分析中的影响评估相结合。

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  • 来源
    《Environmental Science & Technology》 |2012年第23期|13002-13008|共7页
  • 作者单位

    Paul Scherrer Institut, Villigen PSI, Switzerland;

    Paul Scherrer Institut, Villigen PSI, Switzerland;

    Paul Scherrer Institut, Villigen PSI, Switzerland;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);美国《化学文摘》(CA);
  • 原文格式 PDF
  • 正文语种 eng
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